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Design of Roadside Channels with Flexible Linings

Vincent D. Reynolds, MBA, PE

Roadside channels collect water from the roadway and adjacent areas and deliver it to a body of water. Channels can become stressed from the flow of water; the stress that occurs is determined by soil type, channel slope and depth of flow. Flexible linings can be used to counter the stress in roadside channels resulting from the flow of water. There are various types of flexible linings, including long-term such as riprap, and gravel, and temporary such as unreinforced vegetation.

This course will cover the design procedures for vegetative linings, manufactured linings (RECPs), gravel linings, gabion mattress linings, and others. Several examples and calculations will be presented to aid in understanding the course material.

The student will be directed to study the document “Design of Roadside Channels with Flexible Linings,” as published on the website of the Federal Highway Administration (FHWA).

This course includes a multiple-choice quiz at the end, which is designed to enhance the understanding of the course materials.

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NY PE & PLS: You must choose courses that are technical in nature or related to matters of laws and ethics contributing to the health and welfare of the public. NY Board does not accept courses related to office management, risk management, leadership, marketing, accounting, financial planning, real estate, and basic CAD. Specific course topics that are on the borderline and are not acceptable by the NY Board have been noted under the course description on our website.